Damian mixed two samples together: a red liquid that smells irritating and a black
solid with no smell. He analyzed the results
and found two ending substances. One of
the ending substances was a
yellow solid.
This ending substance is made up of the
repeating group of atoms shown above.
Which of the diagrams to the left shows the
repeating groups of atoms that make up the
samples Damian mixed together?

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.